taglinefilesource code
rt_stamp54include/net/route.hextern unsigned long  rt_stamp;
rt_stamp2399net/ipv4/ip.cif(!rt || sk->ip_route_stamp != rt_stamp || daddr!=sk->ip_route_daddr || sk->ip_route_local!=local || sk->saddr!=sk->ip_route_saddr)
rt_stamp2408net/ipv4/ip.csk->ip_route_stamp=rt_stamp;
rt_stamp66net/ipv4/route.cunsigned long rt_stamp = 1;    /* Routing table version stamp for caches ( 0 is 'unset' ) */
rt_stamp111net/ipv4/route.crt_stamp++;    /* New table revision */
rt_stamp141net/ipv4/route.crt_stamp++;    /* New table revision */
rt_stamp349net/ipv4/route.crt_stamp++;    /* New table revision */
rt_stamp492net/ipv4/udp.csk->ip_route_stamp = rt_stamp;